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In computer systems, an access token contains the security credentials for a login session and identifies the user, the user's groups, the user's privileges, and, in some cases, a particular application. In some instances, one may be asked to enter an access token (e.g. 40 random characters) rather than the usual password (it therefore should ...
The push proxy gateway address must be known by the Push Initiator. This address is needed at the layer below the push access protocol. The push proxy gateway is addressed using a unique address that depends on the underlying protocol. For example, when the underlying protocol is HTTP, a URL [RFC1738] is used.
Such systems can constrain access to system resources such as files, locks, and memory by keeping track of changes of state and prohibiting invalid states. [ 1 ] : 4 Different substructural type systems
Email may also be a push system: SMTP is a push protocol (see Push e-mail). However, the last step—from mail server to desktop computer—typically uses a pull protocol like POP3 or IMAP . Modern e-mail clients make this step seem instantaneous by repeatedly polling the mail server, frequently checking it for new mail.
The actor model in computer science is a mathematical model of concurrent computation that treats an actor as the basic building block of concurrent computation. In response to a message it receives, an actor can: make local decisions, create more actors, send more messages, and determine how to respond to the next message received.
4.1 Communication and access protocol support. 4.2 Integration protocol support. 4.3 Authentication support. 4.4 SSL and TLS support. 5 Features. ... with hardware token
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